Home / 693,464.03-956,983.90-387,545.52

Finding the Fourth Proportional to 693,464.03, 956,983.90 and 387,545.52

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Solution

The fourth proportional to 693,464.03, 956,983.90 and 387,545.52 is: 534,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,464.03 : 956,983.90 = 387,545.52 : x
  2. Step 2: Convert to fraction form
    693,464.03/956,983.90 = 387,545.52/x
  3. Step 3: Cross multiply
    693,464.03x = 956,983.90 × 387,545.52
  4. Step 4: Simplify right side
    693,464.03x = 370,874,823,157.13
  5. Step 5: Solve for x
    x = 370,874,823,157.13/693,464.03
  6. Step 6: Final answer
    x = 534,814.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.